Top Definition
Hilarity at the extreme level, above comprehension. So funny all you can do is laugh profusely.

A knee slapper.
Comedic Platinum or Gold...maybe even silver.
You are Hilaya.
You are too Hilaya right now.
Thats so Hilaya
Oh my god, Hilaya!
Shunt ump, thats Hilaya!
by Candace Marino May 31, 2007
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